Full list of all 12 Shinobi achievements worth 200 gamerscore. It takes around 2-3 hours to unlock all of the achievements on Xbox 360.
Finish the game.
Play through 20 player deaths, with difficulty set to Hardest.
Score 300,000 points.
Complete a perfect bonus round.
Defeat the Black Turtle helicopter in Mission 2... with difficulty on Hardest.
Score 80,000 points.
Complete Mission 1 without losing a life.
Rescue 25 hostages.
Score 20,000 points.
Use Lightning Magic.
Use Tornado Magic.